Combined grate and water heater insert for wood burning fireplace



FIG. 1 is a right front perspective view of a combined grate and water heater insert for wood burning fireplace, showing my new design;

FIG. 2 is a left side elevational view, the right side being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a front elevational view thereof. 

The ornamental design for a combined grate and water heater insert for wood burning fireplace, as shown and described. 